Our SLI test system is configured with an Athlon 64 3500+ CPU running on the highly acclaimed ASUS A8N-SLI motherboard with 1GB of Corsair DDR400 operating in dual-channel mode. The following are the various graphics cards tested for this article:-

NVIDIA GeForce 6800 GS 256MB

NVIDIA GeForce 6800 GT 256MB

NVIDIA GeForce 6800 256MB

NVIDIA GeForce 6600 GT 256MB

ATI Radeon X1600 XT 256MB

The new GeForce 6800 GS was tested with ForceWare version 81.87 while the rest of the NVIDIA graphics card results were based on the 77.72 driver set. ATI's sole card was tested with the Catalyst driver version 8.173.1. The benchmarks used for this article are as follows:-